Window-control mechanism



A. R. cLAs WINDOW GONTROL McHANSM origina1 Fi1ed Feb. 8. 1924 3SheetSsheet 1 Nov. 30 1926.

A. R. cLAS WINDow cONTBOL MBGHANSM 1924 3 S eetSSheet 2 ori ina1 FiedFeb. 8-

Nov. 30 1926.

v R 16,491 A. R. cLAs WINbOW CONTROL MEGHANSM origina1 F1ed Feb. 8 19243 SheetsSheet 3

